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Table 3 Variables significantly associated in a multivariable linear regression model with a change in respiratory pathogen serology percentage positivity (PP), sample to positive ratio (S/P) or sample to negative control ratio (S/N) from the beginning of gradual weaning (day − 14) to day 14 post weaning (day+ 14) in housed dairy calves

From: Risk factors associated with exposure to bovine respiratory disease pathogens during the peri-weaning period in dairy bull calves

  1. Note that boxes coloured in grey denote variables which were not significant (p > 0.05) in the multivariable model of a given pathogen
  2. aThe square of BVDV percentage positive change was used as the dependent variable
  3. bThe cubed root of the change in sample to negative control ratio was used as the dependent variable
  4. cThe cubed root of the change in sample to positive control percentage was used as the dependent variable